16204104 has 96 divisors (see below), whose sum is σ = 52394400. Its totient is φ = 4626720.

The previous prime is 16204099. The next prime is 16204129. The reversal of 16204104 is 40140261.

16204104 is a `hidden beast` number, since 1 + 620 + 41 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9819 + ... + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (545775).

Almost surely, 2^16204104 is an apocalyptic number.

16204104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16204104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26197200).

16204104 is an abundant number, since it is smaller than the sum of its proper divisors (36190296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16204104 is a wasteful number, since it uses less digits than its factorization.

16204104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 16204104 is about 4025.4321507138. The cubic root of 16204104 is about 253.0511647473.

Adding to 16204104 its reverse (40140261), we get a palindrome (56344365).

The spelling of 16204104 in words is "sixteen million, two hundred four thousand, one hundred four".